What is a Promise in Javascript?
Hi, ES5 natively supports 2 patterns for write Asynchronous code, that is, the event pattern and the callback pattern, but in ES6 we have a new pattern for write Asynchr…
Category: Call stack
What is a Callback in Javascript?
Hi, by definition a Callback is a function that is to be executed after another function has finished executing, hence the name “call back” and callbacks are great way t…
How javascript Event Loop works?
Hi, the Javascript run-time environment is included in the browsers and they have extra things: the Javascript Engine, Web API, Callback Queue and Event loop.
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Let’s talk about stack overflow in JS
Hi, now we know about the call stack and memory heap, but sometime we will find the definition of stack overflow (not the web site), let me explain what cause the “stack…
Understanding the JS memory heap and call stack
Hi, One important thing that we need to learn about Javascript code is how Javascript code is executed.
Every browser implement a Javascript engine and this engine re…